Finding the Third Proportional to 8,145,638 and 12,077,508

Step by Step Solution

1. Step 1: Write the proportion equation
   8,145,638 : 12,077,508 = 12,077,508 : x
2. Step 2: Convert to fraction form
   8,145,638/12,077,508 = 12,077,508/x
3. Step 3: Cross multiply
   8,145,638x = 12,077,508 × 12,077,508
4. Step 4: Simplify right side
   8,145,638x = 145,866,199,490,064
5. Step 5: Solve for x
   x = 145,866,199,490,064/8,145,638
6. Step 6: Final answer
   x = 17,907,277.43